HEWLETT-PACKARD COMPANY
HP VECTRA 500 MODEL 520 (TYPE A),
MODEL 525 (TYPE A)
| 
 Device Type  | 
 Mainboard  | 
| 
 Processor  | 
 Pentium  | 
| 
 Processor Speed  | 
 100/120/133/150/166MHz  | 
| 
 Chip Set  | 
 Unidentified  | 
| 
 Video Chip Set  | 
 Unidentified  | 
| 
 Maximum Onboard Memory  | 
 192MB (EDO supported) Unified Memory Architecture (UMA)  | 
| 
 Cache  | 
 256KB  | 
| 
 BIOS  | 
 Unidentified  | 
| 
 Dimensions  | 
 275mm x 205mm  | 
| 
 I/O Options  | 
 Floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), cache slot  | 
| 
 NPU Options  | 
 None  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 3.3v power  | 
 C1  | 
 PS/2 mouse port  | 
 CN5  | 
| 
 Status panel connector  | 
 C2  | 
 IDE interface 1  | 
 CN6  | 
| 
 Start connector  | 
 C3  | 
 IDE interface 2  | 
 CN7  | 
| 
 5v power  | 
 C4  | 
 Floppy drive interface  | 
 CN8  | 
| 
 VGA port  | 
 CN1  | 
 VGA feature connector  | 
 CN9  | 
| 
 Serial port 2  | 
 CN2  | 
 External battery  | 
 J1  | 
| 
 Serial port 1  | 
 CN3  | 
 Cache slot  | 
 SL1  | 
| 
 Parallel port  | 
 CN4  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Label  | 
 Position  | |
| 
 »  | 
 Keyboard power down enabled  | 
 JP4  | 
 Closed  | 
| 
 Keyboard power down disabled  | 
 JP4  | 
 Open  | |
| 
 »  | 
 Flash BIOS enabled  | 
 SW1/1  | 
 Off  | 
| 
 Flash BIOS disabled  | 
 SW1/1  | 
 On  | |
| 
 »  | 
 CMOS memory normal operation  | 
 SW1/2  | 
 Off  | 
| 
 CMOS memory clear  | 
 SW1/2  | 
 On  | |
| 
 »  | 
 Password normal operation  | 
 SW1/3  | 
 Off  | 
| 
 Password clear  | 
 SW1/3  | 
 On  | |
| 
 SIMM CONFIGURATION  | |||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
| 
 16MB  | 
 (2) 2M x 36  | 
 None  | 
 None  | 
| 
 32MB  | 
 (2) 2M x 36  | 
 (2) 2M x 36  | 
 None  | 
| 
 32MB  | 
 (2) 4M x 36  | 
 None  | 
 None  | 
| 
 48MB  | 
 (2) 2M x 36  | 
 (2) 2M x 36  | 
 (2) 2M x 36  | 
| 
 64MB  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
 None  | 
| 
 64MB  | 
 (2) 8M x 36  | 
 None  | 
 None  | 
| 
 96MB  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
| 
 128MB  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
 None  | 
| 
 128MB  | 
 (2) 16M x 36  | 
 None  | 
 None  | 
| 
 144MB  | 
 (2) 16M x 36  | 
 (2) 2M x 36  | 
 None  | 
| 
 SIMM CONFIGURATION (CON’T)  | |||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
| 
 160MB  | 
 (2) 16M x 36  | 
 (2) 2M x 36  | 
 (2) 2M x 36  | 
| 
 160MB  | 
 (2) 16M x 36  | 
 (2) 4M x 36  | 
 None  | 
| 
 192MB  | 
 (2) 16M x 36  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
| 
 192MB  | 
 (2) 16M x 36  | 
 (2) 8M x 36  | 
 None  | 
| 
 192MB  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
| 
 Note: Board accepts EDO memory.  | |||
| 
 CACHE CONFIGURATION  | |
| 
 Size  | 
 SL1  | 
| 
 256KB  | 
 256KB module installed  | 
| 
 CACHE JUMPER CONFIGURATION  | ||
| 
 Type  | 
 J6  | |
| » | 
 Synchronous  | 
 Pins 2 & 3 closed  | 
| 
 Asynchronous  | 
 Pins 1 & 2 closed  | |
| 
 CPU SPEED SELECTION  | |||||
| 
 CPU speed  | 
 Clock speed  | 
 Multiplier  | 
 J7  | 
 SW2/1  | 
 SW2/2  | 
| 
 100MHz  | 
 66MHz  | 
 1.5x  | 
 3 & 4  | 
 Off  | 
 Off  | 
| 
 120MHz  | 
 60MHz  | 
 2x  | 
 1 & 3  | 
 On  | 
 Off  | 
| 
 133MHz  | 
 66MHz  | 
 2x  | 
 3 & 4  | 
 On  | 
 Off  | 
| 
 150MHz  | 
 60MHz  | 
 2.5x  | 
 1 & 3  | 
 On  | 
 On  | 
| 
 166MHz  | 
 66MHz  | 
 2.5x  | 
 3 & 4  | 
 On  | 
 On  | 
| 
 Note: Pins designated should be in the closed position.  | |||||